diff --git a/homeassistant/components/websocket_api/auth.py b/homeassistant/components/websocket_api/auth.py
index 8ca2112191dbd..2c86a26efc924 100644
--- a/homeassistant/components/websocket_api/auth.py
+++ b/homeassistant/components/websocket_api/auth.py
@@ -42,7 +42,7 @@ def auth_ok_message() -> dict[str, str]:
 
 def auth_required_message() -> dict[str, str]:
     """Return an auth_required message."""
-    return {"type": TYPE_AUTH_REQUIRED}
+    return {"type": TYPE_AUTH_REQUIRED, "ha_version": __version__}
 
 
 def auth_invalid_message(message: str) -> dict[str, str]: